/*
 Copyright (C) 2008  Maurizio Monticelli

 This program is free software; you can redistribute it and/or modify it under the terms of the 
 GNU General Public License as published by the Free Software Foundation; either version 2 of the 
 License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
 even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 
 Public License for more details.

 You should have received a copy of the GNU General Public License along with this program; if not, write 
 to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 
*/

package ch.justdoit.andriodrpncalc.view.buttons;

import ch.justdoit.andriodrpncalc.model.Model;
import android.content.Context;
import android.view.View;

public class ButtonCancel extends BaseButton {


	public ButtonCancel(Context context, Model _model) {
		super(context, _model);
		setText("C");
		setOnClickListener(onClickListener);
	}

	

	private OnClickListener onClickListener = new OnClickListener()
    {
        public void onClick(View v)
        {
        	//String prompt = mModel.getPrompt().toString();
    		
//    		if (prompt.equals("")) {
        	if (mModel.getPromptText().isEmpty()) {
    			mModel.stack.Remove();
    		} else {
    			mModel.getPromptText().removeToken();
//    			if (prompt.length() != 1) {
//    				prompt = prompt.substring(0, prompt.length()-1);
//    			} else {
//    				prompt = "";
//    			}
//    			mModel.setExpression(prompt);
    		}
        }
    };
}
